Usman, A. Soil Reclamation and Conservation. Stuttgart: 2004 282 p. с.: tab., ill.
Usman, A. Soil Reclamation and Conservation. Stuttgart: 2004 282 p. с.: tab., ill.
Usman, A. (2004) Soil Reclamation and Conservation, Stuttgart: 282 p. с.: tab., ill.
Usman, A. (2004). Soil Reclamation and Conservation. Evaluation of Several Additives for Remediation and Quality Improvment of Soil. Hohenheimer Bodenkundliche Hefte 73. Stuttgart: 282 p. с.: tab., ill.
Usman A. Soil Reclamation and Conservation: Evaluation of Several Additives for Remediation and Quality Improvment of Soil. Hohenheimer Bodenkundliche Hefte 73. Stuttgart: 2004. p. 282 p. с.: tab., ill.